package com.gzc.just.play.last.war.common.quest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * Quest manager
 */
@Component
public class QuestManager {
    
    private static final Logger log = LoggerFactory.getLogger(QuestManager.class);
    
    // Player quest cache
    private final ConcurrentHashMap<Long, List<Quest>> playerQuests = new ConcurrentHashMap<>();
    
    // Quest templates
    private final ConcurrentHashMap<Integer, QuestTemplate> questTemplates = new ConcurrentHashMap<>();
    
    /**
     * Get player quest list
     * @param playerId Player ID
     * @return Quest list
     */
    public List<Quest> getPlayerQuests(Long playerId) {
        return playerQuests.computeIfAbsent(playerId, this::initializePlayerQuests);
    }
    
    /**
     * Add quest to player
     * @param playerId Player ID
     * @param quest Quest object
     * @return Whether addition succeeded
     */
    public boolean addQuest(Long playerId, Quest quest) {
        List<Quest> quests = getPlayerQuests(playerId);
        quests.add(quest);
        
        log.info("Added quest {} to player {}", quest.getId(), playerId);
        return true;
    }
    
    /**
     * Complete quest
     * @param playerId Player ID
     * @param questId Quest ID
     * @return Whether completion succeeded
     */
    public boolean completeQuest(Long playerId, Long questId) {
        List<Quest> quests = getPlayerQuests(playerId);
        
        for (int i = 0; i < quests.size(); i++) {
            Quest quest = quests.get(i);
            if (quest != null && quest.getId().equals(questId)) {
                quest.setStatus(QuestStatus.COMPLETED);
                log.info("Player {} completed quest {}", playerId, questId);
                return true;
            }
        }
        
        return false;
    }
    
    /**
     * Abandon quest
     * @param playerId Player ID
     * @param questId Quest ID
     * @return Whether abandonment succeeded
     */
    public boolean abandonQuest(Long playerId, Long questId) {
        List<Quest> quests = getPlayerQuests(playerId);
        
        for (int i = 0; i < quests.size(); i++) {
            Quest quest = quests.get(i);
            if (quest != null && quest.getId().equals(questId)) {
                quest.setStatus(QuestStatus.ABANDONED);
                log.info("Player {} abandoned quest {}", playerId, questId);
                return true;
            }
        }
        
        return false;
    }
    
    /**
     * Initialize player quests
     * @param playerId Player ID
     * @return Initial quest list
     */
    private List<Quest> initializePlayerQuests(Long playerId) {
        // Simple implementation - in a real game, this would load from database
        return List.of();
    }
    
    /**
     * Quest entity class
     */
    public static class Quest {
        private final Long id;
        private String title;
        private String description;
        private QuestStatus status;
        
        public Quest(Long id, String title, String description) {
            this.id = id;
            this.title = title;
            this.description = description;
            this.status = QuestStatus.ACTIVE;
        }
        
        public Long getId() {
            return id;
        }
        
        public String getTitle() {
            return title;
        }
        
        public String getDescription() {
            return description;
        }
        
        public QuestStatus getStatus() {
            return status;
        }
        
        public void setStatus(QuestStatus status) {
            this.status = status;
        }
    }
    
    /**
     * Quest template class
     */
    public static class QuestTemplate {
        private final Integer id;
        private final String name;
        private final String description;
        private final Map<String, Object> rewards;
        
        public QuestTemplate(Integer id, String name, String description, Map<String, Object> rewards) {
            this.id = id;
            this.name = name;
            this.description = description;
            this.rewards = rewards;
        }
        
        public Integer getId() {
            return id;
        }
        
        public String getName() {
            return name;
        }
        
        public String getDescription() {
            return description;
        }
        
        public Map<String, Object> getRewards() {
            return rewards;
        }
    }
    
    /**
     * Quest status enum
     */
    public enum QuestStatus {
        ACTIVE,
        COMPLETED,
        ABANDONED
    }
}